Finding the Fourth Proportional to 3,061.71, 4,592.52 and 753.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.71 : 4,592.52 = 753.21 : x
2. Step 2: Convert to fraction form
   3,061.71/4,592.52 = 753.21/x
3. Step 3: Cross multiply
   3,061.71x = 4,592.52 × 753.21
4. Step 4: Simplify right side
   3,061.71x = 3,459,131.99
5. Step 5: Solve for x
   x = 3,459,131.99/3,061.71
6. Step 6: Final answer
   x = 1,129.80